diff --git a/autoload/go/def.vim b/autoload/go/def.vim
index cd79a83db1..6facba7e43 100644
--- a/autoload/go/def.vim
+++ b/autoload/go/def.vim
@@ -26,7 +26,13 @@ function! go#def#Jump(mode) abort
     endif
 
   elseif bin_name == 'guru'
-    let cmd = [bin_name, '-tags', go#config#BuildTags()]
+    let cmd = [bin_name]
+    let buildtags = go#config#BuildTags()
+    if buildtags isnot ''
+      let cmd += ['-tags', buildtags]
+    endif
+
+
     let stdin_content = ""
 
     if &modified